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Ossogen (allograft, Fig.2 *) is placed around the septum (red dashed line). The socket opening is covered by BioXclude and approxi-mated with 4-0 PGA suture, followed by periodontal dressing. With the septum's support, bone graft is expected to heal without too much ridge collapse. The mesial and distal sockets behave as 2 small premolar ones, getting ample blood supply.
Xin Wei, DDS, PhD, MS 1st edition 01/22/2020, last revision 02/15/2020